US4785808AExpiredUtility
Disposable electrolysis needle
Est. expiryNov 9, 2007(expired)· nominal 20-yr term from priority
Inventors:Harry W. Cary, Iii
A61B 2018/00476A61B 2018/00452A61B 18/14
21
PatentIndex Score
7
Cited by
10
References
3
Claims
Abstract
A disposable electrolysis needle assembly including a molded body having a needle outwardly extending from the forward end thereof. The assembly is further provided with structure to both physically and electrically mount and connect the assembly with an electrolysis instrument.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. A disposable electrolysis needle assembly comprising an electrical insulating body formed of molded plastic and including a shaped forward end and an extremely fine uninsulated metal needle adapted to be inserted through the epidermis layer of skin of a human patient outwardly forwardly projecting from said forward end, said body further including a rearwardly extending shank portion of a regular geometric configuration in turn adapted to extend into a receiving socket in the front of the insulated hand grip portion of an electrolysis instrument, said needle further including a wire portion extending through said body and including a portion outwardly projecting from the shank portion thereof so as to form an electrical connection with said instrument, said needle and said body integrally connected into a single-use, throw away unit said shank portion having a base through which said needle wire portion extends to form an electrical contact tail radially extending across at least a portion of said base and wherein said forward end is generally conically-shaped for ease in grasping and said shank portion is in the form of a rearwardly extending generally centrally disposed stem, said stem is of a reduced cross-section with respect to the adjacent generally conically shaped forward end.
2. The needle assembly of claim 1, said needle wire portion including portions outwardly extending from the outer surface of said shank portion.
3. The needle assembly of claim 1, said body forward end including gripping means for increasing the hand manipulativeness of said assembly.Join the waitlist — get patent alerts
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